Fastening for m eeting-rai ls of sashes



(N o MKodel.)

A. BARTON. Fastening far Meeting Rails of Sashes. No. 236,531. PatentedJan. 11,1881;

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ALFRED BARTON, OF BOSTON, MASSACHUSETTS.

SPECIFICATION forming part of Letters Patent No. 236,531, dated January11, 1881.

Application filed September 25, 1880. (No model.)

To all whom it may concern:

Be it known that I, ALFRED BARTON, of Boston, county of Suffolk, Stateof Massachusetts, have invented a new and useful Improvement inSash-Fastenings, of which the following description, in connection withthe accompanying drawings, is a specification.

This invention relates to improvements in fastenin gs for meeting-railsof sashes; and has for its object the production of a strong andserviceable fastening capable of locking the upper and lower sashfirmlytogether to exclude air and dust, and also to prevent either sash beingremoved.

Tith ordinary fastenings it is an easy matter to insert a case-knifebetween the meetingrails ot' the sash and turn the lever of the'astenings; but to overcome such difficulty 'astenings have beenprovided with expensive catches.

In that class of sash-iastenings wherein a pivoted arm supported uponthe lower rail ot the upper sash is made to engage a flanged projectionplaced upon the top rail of the lower sash it is necessary to locate thedifferent devices forming the fastening at an exact level, in order thatone part of the fastening may correctly cooperate with its other part.With a fastening device constructed in accordance with my invention thisnice adjustment of parts is not needed, and my fastening may be morequickly and easily applied than can other fastenings known to me.

Myinvention consists essentially in ajointed arm or link adapted to bepivoted upon the lower rail of the upper sash, and provided with alocking device adapted to cooperate with and engage thefront of the toprail ofthe lower sash, or a suitable plate or washer placed at the frontof the said top rail, as hereinafter specified and claimed.

Figure 1 represents,in plan view, a portion of the bottom rail of a topsash and top rail ot' a bottom sash, with my fastening device placedthereon in position to fasten the sash together; Fig. 2, a similar viewwith the fastenin g device disengaged and turned back from above thelower sash 5 and Fig. 3 is a section of Fig. 1, taken through thefastening device in the direction ot' its length, the dotted lines insaid figure showing the jointed part ofthe fastening-arm turned upor-back, preparatory to swinging the arm horizontally upon its pivot,located on the bottom rail of the top sash.

In the drawings, a represents the bottom rail of a top sash, and b a toprail of a bottom sash, of any usual construct-ion, they meeting on theline c.

My fastening device is composed of a twopart arm, d c. The part d has atits rear end a hub, which is pivoted upon a headed stud, f, projectedupward from a plate, g, which will be secured by suitable screws 2 tothe lower rail of the upper sash.

The part e of the fastening-arm is jointed with the part d at h. Theouter end, 3, ofthe portion e is bent downwardly substantially at rightangles, as shown at Fig. 3, and the said portion 3 is provided with alocking device, j, herein shown as a screw provided with a milled head,4. The inner end or point of this locking devicej, when the arm e d isin the position Fig. 3, enters a depression made in the plate 7c,attached to the front side of the top rail of the lower sash by suitablescrews 5, and as the said locking device is turned to force its point orinner end into the said depression or against the said plate k, themeeting-rails of the two sash are forced closely together at c,eft'ectually preventing the passage ot' cold air or dust between thesash-rails, and also obviating all tendency of the sash to rattle. Thelocking device so engaged with the plate lc also ei'ectually locks thetwo sash together, so that the lower sash cannot be raised nor the uppersash lowered.

When it is desired to raise the lower sash, the locking device isdisengaged from the plate 7c, the part c is turned upward, as shown inFig. 3 in dotted lines, and the part d is turned on the stud j' outot'the line of movement ot' the upper sash. l

Instead of the particular locking device j herein shown, I may employany other wellknown equivalent for it to engage the plate 7c ot' theupper sash.

It is obvious, instead of the screws, which I prefer, that I might use aspring point or pin to enter the depression in the plate k.

l claim- The arm d, having the pivotf and plate g to fasten it to thelower rail ot" the upper sash ing-arm is secured, so that said arm maybe looked to the opposite sash at any point, substantially as described.

In testimony whereofI have signed my name to this specification in thepresence of two subserihing witnesses.

ALFRED BARTON.

Witnesses G. W. GREGORY, ARTHUR REYNOLDS.

